dt-bindings: display: bridge: sil,sii8620: convert to dtschema

Convert the Silicon Image SiI8620 HDMI/MHL bridge bindings to DT schema.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230129160537.32275-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/display/bridge/sil,sii8620.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/sil,sii8620.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silicon Image SiI8620 HDMI/MHL bridge
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+properties:
+  compatible:
+    const: sil,sii8620
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: xtal
+
+  cvcc10-supply:
+    description: Digital Core Supply Voltage (1.0V)
+
+  interrupts:
+    maxItems: 1
+
+  iovcc18-supply:
+    description: I/O Supply Voltage (1.8V)
+
+  reset-gpios:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    unevaluatedProperties: false
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Video port for HDMI (encoder) input
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          MHL to connector port
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - cvcc10-supply
+  - interrupts
+  - iovcc18-supply
+  - reset-gpios
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bridge@39 {
+            reg = <0x39>;
+            compatible = "sil,sii8620";
+            cvcc10-supply = <&ldo36_reg>;
+            iovcc18-supply = <&ldo34_reg>;
+            interrupt-parent = <&gpf0>;
+            interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+            reset-gpios = <&gpv7 0 GPIO_ACTIVE_LOW>;
+            clocks = <&pmu_system_controller 0>;
+            clock-names = "xtal";
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    mhl_to_hdmi: endpoint {
+                        remote-endpoint = <&hdmi_to_mhl>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    mhl_to_musb_con: endpoint {
+                        remote-endpoint = <&musb_con_to_mhl>;
+                    };
+                };
+            };
+        };
+    };

Documentation/devicetree/bindings/display/bridge/sil-sii8620.txt

-Silicon Image SiI8620 HDMI/MHL bridge bindings
-
-Required properties:
-	- compatible: "sil,sii8620"
-	- reg: i2c address of the bridge
-	- cvcc10-supply: Digital Core Supply Voltage (1.0V)
-	- iovcc18-supply: I/O Supply Voltage (1.8V)
-	- interrupts: interrupt specifier of INT pin
-	- reset-gpios: gpio specifier of RESET pin
-	- clocks, clock-names: specification and name of "xtal" clock
-	- video interfaces: Device node can contain video interface port
-			    node for HDMI encoder according to [1].
-
-[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
-
-Example:
-	sii8620@39 {
-		reg = <0x39>;
-		compatible = "sil,sii8620";
-		cvcc10-supply = <&ldo36_reg>;
-		iovcc18-supply = <&ldo34_reg>;
-		interrupt-parent = <&gpf0>;
-		interrupts = <2 0>;
-		reset-gpio = <&gpv7 0 0>;
-		clocks = <&pmu_system_controller 0>;
-		clock-names = "xtal";
-
-		port {
-			mhl_to_hdmi: endpoint {
-				remote-endpoint = <&hdmi_to_mhl>;
-			};
-		};
-	};